PDF malware analysis — malicious · b5ed32d0e24fed76

MALICIOUS

PDF

3.3 KB

MD5: a835cbd30ef5102550f40dbb933f7700 SHA-1: 3073f1559787efa7d1c531c800175effeedb4198 SHA-256: b5ed32d0e24fed76ef4167bbd6dc66a0b9bc5a65ca45857812a471edf67ef320

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36121 and a machine learning classifier indicated a high probability of maliciousness. Embedded JavaScript was detected, which is commonly used to exploit PDF vulnerabilities and download further malicious payloads. The document body was unreadable, but the presence of JavaScript and the high confidence scores strongly suggest an exploit attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `40b1e59bcacd40dee7261345380efb661930547e0ca6d4ac3f995e1fe9e9374d`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA88	328 bytes

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